org.picocontainer.monitors
Class NullComponentMonitor

java.lang.Object
  org.picocontainer.monitors.NullComponentMonitor

All Implemented Interfaces:

java.io.Serializable, ComponentMonitor

public class NullComponentMonitor
extends java.lang.Object
implements ComponentMonitor, java.io.Serializable

A ComponentMonitor which does nothing.

Version:

$Revision: 2971 $

Author:

Paul Hammant, Obie Fernandez

See Also:

Serialized Form

Field Summary

private static NullComponentMonitor

instance

Constructor Summary

NullComponentMonitor()

Method Summary

static NullComponentMonitor	getInstance()
void	instantiated(java.lang.reflect.Constructor constructor, long duration) Event thrown after the component has been instantiated using the given constructor
void	instantiated(java.lang.reflect.Constructor constructor, java.lang.Object instantiated, java.lang.Object[] injected, long duration) Event thrown after the component has been instantiated using the given constructor.
void	instantiating(java.lang.reflect.Constructor constructor) Event thrown as the component is being instantiated using the given constructor
void	instantiationFailed(java.lang.reflect.Constructor constructor, java.lang.Exception e) Event thrown if the component instantiation failed using the given constructor
void	invocationFailed(java.lang.reflect.Method method, java.lang.Object instance, java.lang.Exception e) Event thrown if the component method invocation failed on the given instance
void	invoked(java.lang.reflect.Method method, java.lang.Object instance, long duration) Event thrown after the component method has been invoked on the given instance
void	invoking(java.lang.reflect.Method method, java.lang.Object instance) Event thrown as the component method is being invoked on the given instance
void	lifecycleInvocationFailed(java.lang.reflect.Method method, java.lang.Object instance, java.lang.RuntimeException cause) Event thrown if a lifecycle method invocation - start, stop or dispose - failed on the given instance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

instance

private static NullComponentMonitor instance

Constructor Detail

NullComponentMonitor

public NullComponentMonitor()

Method Detail

instantiating

public void instantiating(java.lang.reflect.Constructor constructor)

Description copied from interface: ComponentMonitor

Event thrown as the component is being instantiated using the given constructor

Specified by:

instantiating in interface ComponentMonitor

Parameters:

constructor - the Constructor used to instantiate the component

instantiated

public void instantiated(java.lang.reflect.Constructor constructor,
                         long duration)

Description copied from interface: ComponentMonitor

Event thrown after the component has been instantiated using the given constructor

Specified by:

instantiated in interface ComponentMonitor

Parameters:

constructor - the Constructor used to instantiate the component

duration - the duration in millis of the instantiation

instantiationFailed

public void instantiationFailed(java.lang.reflect.Constructor constructor,
                                java.lang.Exception e)

Description copied from interface: ComponentMonitor

Event thrown if the component instantiation failed using the given constructor

Specified by:

instantiationFailed in interface ComponentMonitor

Parameters:

constructor - the Constructor used to instantiate the component

e - the Exception detailing the cause of the failure

instantiated

public void instantiated(java.lang.reflect.Constructor constructor,
                         java.lang.Object instantiated,
                         java.lang.Object[] injected,
                         long duration)

Description copied from interface: ComponentMonitor

Event thrown after the component has been instantiated using the given constructor. This should be called for both Constructor and Setter DI.

Specified by:

instantiated in interface ComponentMonitor

Parameters:

constructor - the Constructor used to instantiate the component

instantiated - the component that was instantiated by PicoContainer

injected - the components during instantiation.

duration - the duration in millis of the instantiation

invoking

public void invoking(java.lang.reflect.Method method,
                     java.lang.Object instance)

Description copied from interface: ComponentMonitor

Event thrown as the component method is being invoked on the given instance

Specified by:

invoking in interface ComponentMonitor

Parameters:

method - the Method invoked on the component instance

instance - the component instance

invoked

public void invoked(java.lang.reflect.Method method,
                    java.lang.Object instance,
                    long duration)

Description copied from interface: ComponentMonitor

Event thrown after the component method has been invoked on the given instance

Specified by:

invoked in interface ComponentMonitor

Parameters:

method - the Method invoked on the component instance

instance - the component instance

duration - the duration in millis of the invocation

invocationFailed

public void invocationFailed(java.lang.reflect.Method method,
                             java.lang.Object instance,
                             java.lang.Exception e)

Description copied from interface: ComponentMonitor

Event thrown if the component method invocation failed on the given instance

Specified by:

invocationFailed in interface ComponentMonitor

Parameters:

method - the Method invoked on the component instance

instance - the component instance

e - the Exception detailing the cause of the failure

lifecycleInvocationFailed

public void lifecycleInvocationFailed(java.lang.reflect.Method method,
                                      java.lang.Object instance,
                                      java.lang.RuntimeException cause)

Description copied from interface: ComponentMonitor

Event thrown if a lifecycle method invocation - start, stop or dispose - failed on the given instance

Specified by:

lifecycleInvocationFailed in interface ComponentMonitor

Parameters:

method - the lifecycle Method invoked on the component instance

instance - the component instance

cause - the RuntimeException detailing the cause of the failure

getInstance

public static NullComponentMonitor getInstance()